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Homunculi
 
 

Artificial human life could soon be grown from scratch in the  lab, after scientists successfully created a mammal embryo using only  stem cells.

Cambridge University mixed two kinds of mouse stem cells and placed them on a 3D scaffold.  After four days of growth in a tank of chemicals designed to mimic  conditions inside the womb, the cells formed the structure of a living  mouse embryo.

The breakthrough has been described as a ‘masterpiece’ in bio engineering, which could eventually allow scientists to grow artificial human embryos in the lab without the need for a sperm or an egg.